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WASHINGTON, DC - SEPTEMBER 14: A portrait of Ambassador J. Christopher Stevens is placed along with a condolence book outside the room of Senate Foreign Relations Committee at the U.S. Capitol September 14, 2012 in Washington, DC. Ambassador Stevens and three other Americans were killed in an attack on the U.S. Consulate in Benghazi, Libya on September 11, 2012. (Photo by Alex Wong/Getty Images)
